As we can find that
-8² is -8 x -8 and -7² is -7 x -7
It has the same meaning with rules of positive and negative numbers operation in math :
- If a negative value timed/divided by a negative value, the result is a positive value.
- if a positive value timed/divided by a negative value or vice versa, the result is a negative value.
Cereal A
10 ounces = $5.90
10/10 ounces = $5.90/10 .... divide both sides by 10
1 ounce = $0.59
1 ounce = 59 cents
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Cereal B
24 ounces = $6.48
24/24 ounces = $6.48/24 .... divide both sides by 24
1 ounce = $0.27
1 ounce = 27 cents
We see that Cereal B is the cheaper deal per ounce
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<h3>Answer: Cereal B is the better deal</h3>
If there are 12 items adding up to 60%, we want to know how many items more it will take to equal 100% So set up this equation 12/x = .6 then solve for x. x=12/.6 x = 20 now that we know the total you can subtract 12 from 20 and get 8, that is the number of items left on the list.
